Abstract: A medical system includes a marking device inserted into a body cavity, the marking device having an applicator configured to transmit energy so as to perform marking on target tissues; and a controller comprises at least a processor and configured to control the marking device, wherein the applicator has a plurality of application elements which individually applies energy; and wherein the controller is configured to set a marking region on the target tissues in the body cavity; and selectively control the application elements among the plurality of application elements corresponding to the marking region to apply the energy.

Abstract: A method of performing a cryoablation treatment may include positioning a plurality of measurement points in predetermined locations relative to a target tissue in a patient and obtaining ice formation measurement information from the plurality of measurement points. The method may also include comparing the ice formation measurement information to a predetermined ice formation plan and adjusting a flow of a cryo-fluid to a cryoprobe if the ice formation measurement information deviates from the predetermined ice formation plan by more than predetermined deviation level.

Abstract: Systems and methods for facilitating assessment and convenient display of graphical output indicative of lesion formation and outputting data indicative of lesion formation to a 3D mapping system to display on a 3D model are disclosed herein.

Abstract: The present invention provides a microwave ablation probe comprising an antenna including a helical arm and a linear arm.

Abstract: In one example, a medical system includes a display, a console including a plurality of ports configured to be coupled with the catheters via respective cables, the catheters having respective first electrical channel profiles, the ports having respective second electrical channel profiles, and processing circuitry configured to receive user input selecting respective ones of the catheters to be used in a medical procedure. find a connection configuration with which to couple the respective ones of the catheters with ones of the ports, responsively to the respective first electrical channel profiles of the respective ones of the catheters and the respective second electrical channel profiles of the ports, and render the connection configuration to the display.

Abstract: A balloon catheter (100) and an electrophysiological system, which aim to improve the operability of accurately monitoring the balloon surface temperature at the surface of a double-layered balloon (110).

Abstract: A system for visualization of vectorcardiograms for ablation procedures, the system including at least a processor and a memory communicatively connected to the at least a processor, the memory containing instructions configuring the at least a processor to receive an input matrix having a plurality of electrocardiogram signals associated with a plurality of time variables, transform the plurality of electrocardiogram signals into a cardiac vector as a function of the input matrix, and determine at least one ablative reaction as a function of the cardiac vector, wherein determining the at least one ablative reaction includes generating a graphical visualization of an X-Y plot, wherein cardiac deviations are plotted along a vertical axis of the X-Y plot and time variables are plotted along a horizontal axis of the X-Y plot.

Abstract: An electrosurgical assembly that includes one or more electrodes, and one or more AC conductors electrically connecting the one or more electrodes to a power source that is configured to generate and output an AC power signal to the one or more electrodes via the one or more AC conductors. A rectifier is electrically connected to the one or more AC conductors, and configured to convert the AC power signal into a DC power signal. A light source is electrically powered by the DC power signal.

Abstract: Microwave ablation applicators and methods for manufacturing the microwave ablation applicators are disclosed. A microwave ablation applicator includes a feed-line segment, a step-down segment, and a radiator base segment. The feed-line segment includes a first inner conductor, a first dielectric disposed on the first inner conductor, and a first outer conductor disposed on the first dielectric. The step-down segment includes a second inner conductor, a second dielectric disposed on the second inner conductor, and a second outer conductor disposed on the second dielectric. The radiator base segment includes a third inner conductor disposed on the third inner conductor, a third outer conductor disposed on the proximal end of the third dielectric so as to form a feed gap at a distal end of the radiator base segment, a balun dielectric disposed on the third outer conductor, and a balun outer conductor disposed on the balun dielectric.

Abstract: Apparatus, systems, and methods provide access to the renal pelvis of a kidney to treat renal nerves embedded in tissue surrounding the renal pelvis. Access to the renal pelvis may be via the urinary tract or via minimally invasive incisions through the abdomen and kidney tissue. Treatment is effected by exchanging energy, typically delivering heat or extracting heat through a wall of the renal pelvis, or by delivering active substances to ablate a thin layer of tissue lining at least a portion of the renal pelvis to disrupt renal nerves within the tissue lining of the renal pelvis.

Abstract: An electroporation ablation system includes a probe to be inserted into a body part of a living subject, and including a distal end including at least one electrode, body-surface patches to be applied to a skin surface, an ablation power generator to apply at least one first electrical pulse train between the electrode(s) and first one(s) of the body-surface patches, and a processor to provide a measurement of movement of the living subject responsively to applying the first electrical pulse train(s) between the electrode(s) and the first one(s) of the body-surface patches, and select second one(s) of the body-surface patches responsively to the measurement of movement, and wherein the ablation power generator is configured to apply at least one second electrical pulse train between the electrode(s) and the second one(s) of the body-surface patches.

Abstract: A dermal conditioning device is for creating at least one pressure point on at least an external surface of an eyelid. The device includes at least one skin tissue lesion generator, at least one controller, a power supply and a housing, the controller coupled to the skin tissue lesion generator. A power supply couples to the skin tissue lesion generator and the controller and the housing encasing the skin tissue lesion generator and the controller. The controller controls the skin tissue lesion generator to generate at least one signal and to apply the signal to stress the external surface of an outer layer of the eyelid, the stress causing a formation of the pressure point on the eyelid without tissue coagulation, thereby activating at least one of a corneal reflex, a menace reflex, and a lacrimation reflex of the eyelid by activating at least one nociceptor on the eyelid.

Abstract: An RF catheter for treating hypertrophic cardiomyopathy includes: a body part constituting a catheter body made of a flexible and soft material; and an intraseptal insertion part provided at a distal part of the body part and having one or more electrodes, a tapered tip gradually becoming thinner toward an end thereof, and a guidewire lumen therein, into which a guidewire is inserted, so that during hypertrophic cardiomyopathy treatment, the intraseptal insertion part is inserted into the interventricular septum along the guidewire. A method of treating hypertrophic cardiomyopathy by using an RF ablation catheter includes: i) positioning the guidewire to a hypertrophied septum through a coronary sinus and a septal vein; ii) transferring the RF ablation catheter to the hypertrophied septum; and iii) performing RF ablation by applying RF energy to the electrodes provided at an end part of the RF ablation catheter by using an RF generator.

Abstract: A method of using a cryotherapeutic system in accordance with a particular embodiment includes advancing an elongate shaft of a catheter toward a treatment location within a body lumen of a human patient and directing a flow of refrigerant toward a cryotherapeutic element at a distal end portion of the shaft. The directed refrigerant is expanded to cause cooling within a balloon of the cryotherapeutic element. The pressure within the balloon is monitored and its rate of change calculated. The rate of change is then processed using different feedback loops during different monitoring windows of a treatment cycle. The individual feedback loops include an upper and a lower threshold and are configured to cause the flow of refrigerant to the cryotherapeutic element to stop if the rate of change falls outside a range between the upper and the lower threshold.

Abstract: A balloon catheter for an intravascular catheter system includes a cryogenic balloon that is formed from a blend of polyurethane and polyamide block copolymer. The percentages of polyurethane and polyamide block copolymer can vary. For example, the cryogenic balloon can be formed from greater than 50% polyurethane and less than 50% polyamide block copolymer; greater than 75% polyurethane and less than 25% polyamide block copolymer; or approximately 85% polyurethane and approximately 15% polyamide block copolymer. Additionally, a ratio of a change in inflation pressure (in psi) to a change in outer diameter (in mm) of the cryogenic balloon, and a ratio of outer diameter (in mm) of the cryogenic balloon to inflation pressure (in psig) can be varied to form the desired cryogenic balloon.

Abstract: Devices, systems, and methods for generating therapy annotations for display on a graphical user interface are disclosed herein. In some embodiments, therapy annotations can correspond to a location of a tip section of a catheter relative to an anatomical structure of a patient when therapy is delivered to the anatomical structure. One or more properties of the therapy annotations can be based at least in part on signals received from sensors distributed about the tip section of the catheter and/or on other characteristics of therapy delivery. The therapy annotations can be displayed alone or in combination with a three-dimensional surface representation of the anatomical structure, a representation of the catheter, and/or other visual indicia, such as a therapy contour, a distance from a nearest therapy site and/or the most recent therapy site, and/or a representation of gaps between two therapy sites.

Abstract: Neuromodulation cryotherapeutic devices and associated systems and methods are disclosed herein. A cryotherapeutic device configured in accordance with a particular embodiment of the present technology can include an elongated shaft having distal portion and a supply lumen along at least a portion of the shaft. The shaft can be configured to locate the distal portion intravascularly at a treatment site proximate a renal artery or renal ostium. The supply lumen can be configured to receive a liquid refrigerant. The cryotherapeutic device can further include a cooling assembly at the distal portion of the shaft. The cooling assembly can include an applicator in fluid communication with the supply lumen and configured to deliver cryotherapeutic cooling to nerves proximate the target site when the cooling assembly is in a deployed state.

Abstract: A cooled radio-frequency (RF) ablation probe is provided. The RF ablation probe includes a first tubular portion defining at least part of an internal cavity for circulating coolant through the cooled RF ablation probe; a second tubular portion surrounding the first tubular portion along a first portion of the length of the cooled RF ablation probe; a third tubular portion surrounding the second tubular portion along a second portion of the length of the cooled RF ablation probe; and a fourth tubular portion surrounding the third tubular portion along a third portion of the length of the cooled RF ablation probe. A gap is defined between the third tubular portion and the fourth tubular portion that can be filled with air or a vacuum can be formed in the gap to insulate one or more thermocouples attached to the fourth tubular portion from the coolant in the internal cavity.

Abstract: An electrophysiological catheter and an ablation system comprising a control device, an ablation energy output device and the electrophysiological catheter. The control device controls the ablation energy output device to selectively provide a first fluid or a second fluid that is a frozen liquid to the electrophysiological catheter. When the ablation energy output device provides the first fluid, the control device controls a first heating component on the electrophysiological catheter to work to heat the fluid entering the electrophysiological catheter for spraying a thermal ablation gas onto the inner surface of a balloon; and when the ablation energy output device provides frozen liquid, the control device controls the first heating component not to work to directly spray the frozen liquid to the inner surface of the balloon.

Abstract: Systems and related methods for identifying and/or ablating targeted nerves are provided. A probe with stimulating electrodes and/or ablation members are provided. The probe may be inserted into a nasal cavity and current may be introduced through the electrodes to stimulate a targeted area. The response to stimulation may be used to identify the targeted nerve. Once identified, the ablation member may ablate the targeted nerve.